5.1 merge

mysql-test/r/func_misc.result

@@ -265,3 +265,10 @@ SELECT '1' IN ('1', INET_NTOA(0));
 '1' IN ('1', INET_NTOA(0))
 1
 End of tests
+SELECT NAME_CONST('a', -(1 OR 2)) OR 1;
+ERROR HY000: Incorrect arguments to NAME_CONST
+SELECT NAME_CONST('a', -(1 AND 2)) AND 1;
+ERROR HY000: Incorrect arguments to NAME_CONST
+SELECT NAME_CONST('a', -(1)) OR 1;
+NAME_CONST('a', -(1)) OR 1
+1

mysql-test/suite/maria/r/distinct.result

@@ -15,11 +15,3 @@ GROUP_CONCAT(a)
 3
 1
 DROP TABLE t1;
-CREATE TABLE t1 (a INT, b VARCHAR(1)) ENGINE=MyISAM;
-INSERT INTO t1 VALUES (7,'q'),(2,NULL),(7,'g'),(6,'x');
-SELECT DISTINCT MAX( a ) FROM t1 GROUP BY b ORDER BY DES_DECRYPT( b );
-MAX( a )
-2
-7
-6
-DROP TABLE t1;

mysql-test/suite/maria/t/distinct.test

@@ -19,7 +19,3 @@ SELECT GROUP_CONCAT(a) FROM t1 GROUP BY b;
 SELECT DISTINCT GROUP_CONCAT(a) FROM t1 GROUP BY b;
 DROP TABLE t1;
 
-CREATE TABLE t1 (a INT, b VARCHAR(1)) ENGINE=MyISAM;
-INSERT INTO t1 VALUES (7,'q'),(2,NULL),(7,'g'),(6,'x');
-SELECT DISTINCT MAX( a ) FROM t1 GROUP BY b ORDER BY DES_DECRYPT( b );
-DROP TABLE t1;

mysql-test/t/func_misc.test

@@ -300,3 +300,13 @@ SELECT '1' IN ('1', INET_NTOA(0));
 
 
 --echo End of tests
+
+#
+# MDEV-5655 Server crashes on NAME_CONST containing AND/OR expressions
+#
+--error ER_WRONG_ARGUMENTS
+SELECT NAME_CONST('a', -(1 OR 2)) OR 1;
+--error ER_WRONG_ARGUMENTS
+SELECT NAME_CONST('a', -(1 AND 2)) AND 1;
+SELECT NAME_CONST('a', -(1)) OR 1;
+

sql/item.cc

@@ -1304,17 +1304,28 @@ bool Item_name_const::is_null()
 Item_name_const::Item_name_const(Item *name_arg, Item *val):
     value_item(val), name_item(name_arg)
 {
-  if (!(valid_args= name_item->basic_const_item() &&
-                    (value_item->basic_const_item() ||
-                     ((value_item->type() == FUNC_ITEM) &&
-                      ((((Item_func *) value_item)->functype() ==
-                         Item_func::COLLATE_FUNC) ||
-                      ((((Item_func *) value_item)->functype() ==
-                         Item_func::NEG_FUNC) &&
-                      (((Item_func *) value_item)->key_item()->type() !=
-                         FUNC_ITEM)))))))
-    my_error(ER_WRONG_ARGUMENTS, MYF(0), "NAME_CONST");
   Item::maybe_null= TRUE;
+  valid_args= true;
+  if (!name_item->basic_const_item())
+    goto err;
+
+  if (value_item->basic_const_item())
+    return; // ok
+
+  if (value_item->type() == FUNC_ITEM)
+  {
+    Item_func *value_func= (Item_func *) value_item;
+    if (value_func->functype() != Item_func::COLLATE_FUNC &&
+        value_func->functype() != Item_func::NEG_FUNC)
+      goto err;
+
+    if (value_func->key_item()->basic_const_item())
+      return; // ok
+  }
+
+err:
+  valid_args= false;
+  my_error(ER_WRONG_ARGUMENTS, MYF(0), "NAME_CONST");
 }
 
 

sql/scheduler.cc

@@ -69,7 +69,6 @@ static bool no_threads_end(THD *thd, bool put_in_cache)
 void one_thread_scheduler(scheduler_functions *func)
 {
   func->max_threads= 1;
-  max_connections= 1;
   func->max_connections= &max_connections;
   func->connection_count= &connection_count;
 #ifndef EMBEDDED_LIBRARY

storage/innodb_plugin/row/row0mysql.c

@@ -1079,7 +1079,6 @@ row_insert_for_mysql(
 	ins_node_t*	node		= prebuilt->ins_node;
 
 	ut_ad(trx);
-	ut_ad(trx->mysql_thread_id == os_thread_get_curr_id());
 
 	if (prebuilt->table->ibd_file_missing) {
 		ut_print_timestamp(stderr);
@@ -1313,7 +1312,6 @@ row_update_for_mysql(
 	trx_t*		trx		= prebuilt->trx;
 
 	ut_ad(prebuilt && trx);
-	ut_ad(trx->mysql_thread_id == os_thread_get_curr_id());
 	UT_NOT_USED(mysql_rec);
 
 	if (prebuilt->table->ibd_file_missing) {
@@ -1483,7 +1481,6 @@ row_unlock_for_mysql(
 	trx_t*		trx		= prebuilt->trx;
 
 	ut_ad(prebuilt && trx);
-	ut_ad(trx->mysql_thread_id == os_thread_get_curr_id());
 
 	if (UNIV_UNLIKELY
 	    (!srv_locks_unsafe_for_binlog
@@ -2724,7 +2721,6 @@ row_truncate_table_for_mysql(
 	redo log records on the truncated tablespace, we will assign
 	a new tablespace identifier to the truncated tablespace. */
 
-	ut_ad(trx->mysql_thread_id == os_thread_get_curr_id());
 	ut_ad(table);
 
 	if (srv_created_new_raw) {

storage/innodb_plugin/row/row0sel.c

@@ -3434,7 +3434,6 @@ row_search_for_mysql(
 	rec_offs_init(offsets_);
 
 	ut_ad(index && pcur && search_tuple);
-	ut_ad(trx->mysql_thread_id == os_thread_get_curr_id());
 
 	if (UNIV_UNLIKELY(prebuilt->table->ibd_file_missing)) {
 		ut_print_timestamp(stderr);

storage/xtradb/row/row0mysql.c

@@ -1084,7 +1084,6 @@ row_insert_for_mysql(
 	ins_node_t*	node		= prebuilt->ins_node;
 
 	ut_ad(trx);
-	ut_ad(trx->mysql_thread_id == os_thread_get_curr_id());
 
 	if (prebuilt->table->ibd_file_missing) {
 		ut_print_timestamp(stderr);
@@ -1326,7 +1325,6 @@ row_update_for_mysql(
 	trx_t*		trx		= prebuilt->trx;
 
 	ut_ad(prebuilt && trx);
-	ut_ad(trx->mysql_thread_id == os_thread_get_curr_id());
 	UT_NOT_USED(mysql_rec);
 
 	if (prebuilt->table->ibd_file_missing) {
@@ -1497,7 +1495,6 @@ row_unlock_for_mysql(
 	trx_t*		trx		= prebuilt->trx;
 
 	ut_ad(prebuilt && trx);
-	ut_ad(trx->mysql_thread_id == os_thread_get_curr_id());
 
 	if (UNIV_UNLIKELY
 	    (!srv_locks_unsafe_for_binlog
@@ -2830,7 +2827,6 @@ row_truncate_table_for_mysql(
 	redo log records on the truncated tablespace, we will assign
 	a new tablespace identifier to the truncated tablespace. */
 
-	ut_ad(trx->mysql_thread_id == os_thread_get_curr_id());
 	ut_ad(table);
 
 	if (srv_created_new_raw) {

storage/xtradb/row/row0sel.c

@@ -3435,7 +3435,6 @@ row_search_for_mysql(
 	rec_offs_init(offsets_);
 
 	ut_ad(index && pcur && search_tuple);
-	ut_ad(trx->mysql_thread_id == os_thread_get_curr_id());
 
 	if (UNIV_UNLIKELY(prebuilt->table->ibd_file_missing)) {
 		ut_print_timestamp(stderr);